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lubasha [3.4K]
3 years ago
14

How many nitrogen are in carbon tetranitride

Chemistry
2 answers:
aev [14]3 years ago
5 0

Answer:

140pm I'm pretty sure the answer

djyliett [7]3 years ago
4 0
140 for sure like the other person is correct
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The use of fertilizers in agriculture has significantly altered several nutrient cycles including:
Lana71 [14]

Answer:

potassium, nitrogen and phosphorous cycle

Explanation:

A fertilizer is a substance which is applied on the plants by farmers to increase the supply of nutrients for the plants. Fertilizers have known to be toxic in many ways such as they alter the potassium, nitrogen and phosphorus cycles. Nitrogen, potassium and phosphorus are present in abundant amounts in the fertilizers. Draining of these fertilizers into rivers and ponds is toxic for the aquatic life. Hence, the use of fertilizers disrupts the natural cycles and is toxic for many aquatic plants and animals.

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3 years ago
Which argument best explains the charge of an atomic nucleus
8_murik_8 [283]

Answer:

An atomic nucleus is positively charged because it is composed of protons.

Explanation:

hope this helps you:)

7 0
3 years ago
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Rank the following elements by electron affinity, from most positive to most negative EA value. Rank from most positive to most
Svetlanka [38]

Answer:

Most positive = rubidium

Most negative = fluorine

Explanation:

Electron affinity of an element is the energy released when an electron is attached to a neural atom to form an ion in its gaseous state.

X + e⁻ → X⁻

Electron affinity is similar to electronegativity which is the tendency at which an atom accepts an ion towards itself.

Electron affinity increases across the period and decreases down the group in the periodic table.

In the above option,

Fluorine has the highest electron affinity

Rubidium has the lowest electron affinity

Tellurium and then finally Phosphorus

Helium in this case would have the lowest electron affinity because it has filled orbital and does not require any electron to attain stability. Technically, Helium has the lowest or is expected to have the lowest electron affinity which is close to zero according to quantum mechanics.

Most positive = rubidium

Most negative = fluorine.

You can check periodic table for their exact values

6 0
3 years ago
What year will Aquarius be visible from Earth’s North Pole?
Minchanka [31]

Answer:

Aquarius beginning in the mid-3rd millennium. The north and south celestial poles are the two imaginary points in the sky where the Earth's ... In about 5,500 years, the pole will have moved near the position of the star ... The south celestial pole is visible only from the Southern Hemisphere.

Explanation:

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3 years ago
Some chemical factories make hydrogen gas (H2) using a process called steam methane reforming. In this process, methane (CH4) co
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steam and methane

Explanation:

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